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1017940940 = 225379134293
BaseRepresentation
bin111100101011001…
…000101111001100
32121221102202110022
4330223020233030
54041043102230
6245002001312
734140232562
oct7453105714
92557382408
101017940940
11482668105
12244aa6238
13132b7c323
149929ba32
155e5771e5
hex3cac8bcc

1017940940 has 24 divisors (see below), whose sum is σ = 2143332240. Its totient is φ = 406099008.

The previous prime is 1017940933. The next prime is 1017941047. The reversal of 1017940940 is 490497101.

It is a self number, because there is not a number n which added to its sum of digits gives 1017940940.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59567 + ... + 74726.

It is an arithmetic number, because the mean of its divisors is an integer number (89305510).

Almost surely, 21017940940 is an apocalyptic number.

1017940940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1017940940 is an abundant number, since it is smaller than the sum of its proper divisors (1125391300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1017940940 is a wasteful number, since it uses less digits than its factorization.

1017940940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134681 (or 134679 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1017940940 is about 31905.1867256721. The cubic root of 1017940940 is about 1005.9449014455.

The spelling of 1017940940 in words is "one billion, seventeen million, nine hundred forty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 379 758 1516 1895 3790 7580 134293 268586 537172 671465 1342930 2685860 50897047 101794094 203588188 254485235 508970470 1017940940